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Air Pollution in China Photograph. AP Photo Archive. Power Library Database.
Hempfield High School Lib. Landisville, Pa. 29, April 2008. http://apimages.ap.org/default.aspx.
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Campbell, Neil A., and Jane B. Reece. Essential Biology. Ed. Beth Wilbur and
Erin Milligan. San Francisco: Addison Wesley Longman, Inc., 2001.
“Cost of greenhouse gas emissions reducitions.” Berkele Lab. Lawerence Berkeley National Laboratory. 29 Apr. 2008
<[[http://enduse.lbl.gov/Projects/GHGcosts.html|http://enduse.lbl.gov/Projects/GHGcosts.html>.]]
“Indoor and Outdoor Air Pollution.” Lawrence Berkeley National Laboratory. 30 Apr. 2008 <[[http://www.lbl.gov/Education/ELSI/ELSI.html%3E.|http://www.lbl.gov/Education/ELSI/ELSI.html>.]]
Introduction to Ecology: Ecosystems and Biomes . Discovery Education School.
unitedstreaming. 2008. Discovery Education. 11 May 2008
<http://www.unitedstreaming.com/>.
Nissley, Jeremy. Personal interview. 5 May 2008.
“Pollution.” MSN Encarta. 2007. 23 Apr. 2008 <[[http://encarta.msn.com/encyclopedia_761570933/Pollution.html%3E.|http://encarta.msn.com/encyclopedia_761570933/Pollution.html>.]]
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